Business travelers will find the Verizon Jetpack MiFi 4620L an excellent companion thanks to its fast connection, nice set of features, and long-lasting battery. Its expensive and limited data plans, however, might steer casual users away.

From the James Bond jet belt to a "Jetsons"-inspired "motorbike in the sky," one New Zealand company is bringing the dream of jetpack travel to reality -- and thanks to a significant new investment, it could be here sooner than you think.

Researchers at Arizona State University have designed the 4MM, a jetpack designed to help its wearer run a 4-minute mile, and expend less energy doing it. We've never even run a 6-minute mile, so we'll need to crank this thing up to 11.